Answer:

Step-by-step explanation:
<u><em>According to chord-chord theorem:</em></u>
=> 
=> 
Dividing both sides by 2
=> x = 18/2
=> x = 9
Answer:
A) 3.6(1.85 + 2.30)
Step-by-step explanation:
Given that
pounds of grapes at $1.85/pound and
of red grapes at $2.30 per pound.
Given the mass of the different grapes is the same, the cost can be expressed as;

Hence, the cost can be expressed as 3.6(1.85+2.30)
Answer:
The population in 2015 will be 165 million.
Step-by-step explanation:
The exponential growth formula is given by:

Where:
a: is the initial population
r: is the rate of increase
Δt: is the time
With the initial information we can find the rate:
Using logarithm:
Using exponential:

Now, we can find the estimated population in 2015:
Therefore, the population in 2015 will be 165 million.
I hope it helps you!
Answer:
0.0625 Days
Step-by-step explanation:
For 1 day Erin uses 1 3/8
1 day consumption is 11/8
11/2 bags of oranges would take
11/2 divided by 11/8